Medical workers bring a patient to Mount Sinai Hospital in New York City on April 1, 2020. | Spencer Platt/Getty Images

“It’s like having a car without gas.” Ambulance and emergency sirens in New York City are wailing ceaselessly this month, as the number of reported deaths from Covid-19 , the disease caused by the novel coronavirus, in the state surpassed 4,100 as of April 6. (Public health experts…